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Technical Data Sheet
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5387.4-2101/1 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The EARCUP RETAINER ASSEMBLY is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: EARCUP RETAINER ASSEMBLY, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY GENERAL CHARACTERISTICS ITEM DESCRIPTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 8475-00-411-0113, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5387.4-2101/1
NSN: 8475-00-411-0113
FSC: 8475
CAGE: A5387 — TELEGI SRL (ITA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTING OF COVER,4 EYELET CHAPE ASSEMBLIES,ADJUSTABLE NAPE STRAP AND LEATHER REINFORCED SNAP FASTENERS,USED W/HELMET,FLYER'S,SPH-4,ITEM NO.8,REGULAR
part_name_assigned_by_controlling_agencyEARCUP RETAINER ASSEMBLY
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY GENERAL CHARACTERISTICS ITEM DESCRIPTION
NSN8475-00-411-0113
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EARCUP RETAINER ASSEMBLY TITLE COMPONENT PN 5387.4-2101/1 MFR EARCUP RETAINER ASSEMB
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTING OF COVER,4 EYELET CHAPE ASSEMBLIES,ADJUSTABLE NAPE STRAP AND LEATHER REINFORCED SNAP FASTENERS,USED W/HELMET,FLYER'S,SPH-4,ITEM NO.8,REGULAR
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY GENERAL CHARACTERISTICS ITEM DESCRIPTION
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTING OF COVER,4 EYELET CHAPE ASSEMBLIES,ADJUSTABLE NAPE STRAP AND LEATHER REINFORCED SNAP FASTENERS,USED W/HELMET,FLYER'S,SPH-4,ITEM NO.8,REGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYEARCUP RETAINER ASSEMBLY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY GENERAL CHARACTERISTICS ITEM DESCRIPTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MS35392-23InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ZZ-I-550InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GP5/8.25-15/TR442/ON CENTERInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4017463-0701InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
82-515InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ZZ-T-381InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5387.4-2101/1?
5387.4-2101/1 is a EARCUP RETAINER ASSEMBLY.
What parts can replace 5387.4-2101/1?
There are 16 known substitutes for 5387.4-2101/1: MS35392-23, ZZ-I-550, GP5/8.25-15/TR442/ON CENTER and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5387.4-2101/1?
5387.4-2101/1 is cataloged in the Federal Logistics Information System under NSN 8475-00-411-0113. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026